20302321103372 has 96 divisors (see below), whose sum is σ = 45471864582144. Its totient is φ = 7701197716800.

The previous prime is 20302321103371. The next prime is 20302321103413. The reversal of 20302321103372 is 27330112320302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20302321103371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1654343 + ... + 6583425.

It is an arithmetic number, because the mean of its divisors is an integer number (473665256064).

Almost surely, 2^{20302321103372} is an apocalyptic number.

20302321103372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20302321103372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22735932291072).

20302321103372 is an abundant number, since it is smaller than the sum of its proper divisors (25169543478772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302321103372 is a wasteful number, since it uses less digits than its factorization.

20302321103372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929459 (or 4929457 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 20302321103372 its reverse (27330112320302), we get a palindrome (47632433423674).

The spelling of 20302321103372 in words is "twenty trillion, three hundred two billion, three hundred twenty-one million, one hundred three thousand, three hundred seventy-two".